Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Cash flows from (used in) operations | — |
186,923,241
EUR
|
126,867,216
EUR
|
— | — |
236,436,109
EUR
|
— |
212,868,115
EUR
|
— | — |
| Interest paid, classified as operating activities | — |
8,477,858
EUR
|
7,033,413
EUR
|
— | — |
13,712,691
EUR
|
— |
11,992,744
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
15,866,256
EUR
|
6,759,102
EUR
|
— | — |
27,720,687
EUR
|
— |
23,094,308
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
162,579,127
EUR
|
113,074,701
EUR
|
— | — |
195,002,731
EUR
|
— |
177,781,063
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
116,875
EUR
|
0
EUR
|
— | — |
0
EUR
|
— |
0
EUR
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
12,741,490
EUR
|
13,208,987
EUR
|
— | — |
2,600,714
EUR
|
— |
9,893,633
EUR
|
— | — |
| Other cash payments to acquire interests in joint ventures, classified as investing activities | — |
0
EUR
|
0
EUR
|
— | — |
64,190
EUR
|
— |
64,190
EUR
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
4,375,850
EUR
|
1,818,714
EUR
|
— | — |
3,803,034
EUR
|
— |
3,022,547
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
79,630,464
EUR
|
41,221,462
EUR
|
— | — |
119,657,967
EUR
|
— |
76,864,303
EUR
|
— | — |
| Proceeds from sales of intangible assets, classified as investing activities | — |
203,276
EUR
|
203,229
EUR
|
— | — |
189,380
EUR
|
— |
186,350
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
10,596,165
EUR
|
8,523,416
EUR
|
— | — |
18,336,216
EUR
|
— |
9,357,017
EUR
|
— | — |
| Cash advances and loans made to other parties, classified as investing activities | — |
10,555,021
EUR
|
96,208,419
EUR
|
— | — |
7,957,622
EUR
|
— |
36,267,706
EUR
|
— | — |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — |
14,044,121
EUR
|
53,759,636
EUR
|
— | — |
4,289,319
EUR
|
— |
20,549,165
EUR
|
— | — |
| Interest received, classified as investing activities | — |
3,504,458
EUR
|
2,915,144
EUR
|
— | — |
4,022,162
EUR
|
— |
2,931,065
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
88,222,503
EUR
|
95,420,444
EUR
|
— | — |
131,852,140
EUR
|
— |
105,711,506
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from borrowings, classified as financing activities | — |
835,261,103
EUR
|
1,090,169,633
EUR
|
— | — |
374,789,499
EUR
|
— |
836,636,170
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
808,314,348
EUR
|
1,032,414,899
EUR
|
— | — |
205,785,576
EUR
|
— |
675,907,229
EUR
|
— | — |
| Dividends paid, classified as financing activities | — |
45,223,953
EUR
|
45,223,953
EUR
|
— | — |
37,001,292
EUR
|
— |
37,001,292
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
27,274,910
EUR
|
9,336,166
EUR
|
— | — |
81,246,225
EUR
|
— |
83,376,426
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
47,081,714
EUR
|
26,990,423
EUR
|
— | — |
18,095,634
EUR
|
— |
11,306,869
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
138,742
EUR
|
0
EUR
|
— | — |
7,394
EUR
|
— |
0
EUR
|
— | — |
| Cash and cash equivalents |
88,674,952
EUR
|
— | — |
44,670,525
EUR
|
17,680,102
EUR
|
— |
41,730,269
EUR
|
— |
58,740,743
EUR
|
28,986,973
EUR
|